class Abc(models.Model):

    _inherit = 'product.template'

    bank = fields.Many2many(comodel_name='bank.bank',string='Bank')

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<field name="bank" widget="many2many_tags" />

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<tr>

<td>

BHK

</td>

<td>

<span t-field="product.bank" />

</td>

</tr>

It Gives Output like,

bank.bank(1, 3)

I want Output Like, bankname1, banname2...